Pith Number

pith:BO2EHS6R

pith:2009:BO2EHS6RQONHSXJRK345AEGQCH

not attested not anchored not stored refs pending

Cohomology of generalized supergrassmannians and character formulae for basic classical Lie superalgebras

Caroline Gruson, Vera Serganova

arxiv:0906.0918 v2 · 2009-06-04 · math.RT · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BO2EHS6RQONHSXJRK345AEGQCH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:58:03.127899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bb443cbd1839a795d3156f9d010d011f241426f6ccfda96356b80ae6dde14ce

Aliases

arxiv: 0906.0918 · arxiv_version: 0906.0918v2 · doi: 10.48550/arxiv.0906.0918 · pith_short_12: BO2EHS6RQONH · pith_short_16: BO2EHS6RQONHSXJR · pith_short_8: BO2EHS6R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BO2EHS6RQONHSXJRK345AEGQCH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0bb443cbd1839a795d3156f9d010d011f241426f6ccfda96356b80ae6dde14ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2af10b8c2040cc7ad864ac9843f4adab04b8422a8bdaa6b37b9af9190e4a2ea",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2009-06-04T14:27:42Z",
    "title_canon_sha256": "1e796d6393d2589523eab0fcb24146965925ddbe9873779e25e13fc8d0773ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0918",
    "kind": "arxiv",
    "version": 2
  }
}